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alex41 [277]
2 years ago
6

A fireman leaned a 36 foot ladder against a building. If he placed the ladder 7 feet from the base

Mathematics
2 answers:
Vedmedyk [2.9K]2 years ago
7 0

Answer:51.05

Step-by-step explanation:

Goryan [66]2 years ago
7 0

<u>Answer:</u>

The angle between the ladder and the ground is 78.78\°

<u>Solution:</u>

It is given that the length of the ladder is 36 foot and the distance between the base and the ladder is 7 feet.

Here we can see that the hypotenuse is 36 foot and the base is 7 feet. To find the angle between the ladder and the ground we take the cos inverse of \frac{7}{36}.

Let the angle between the ladder and the ground is ‘x’.

We know, cos x = \frac{base}{hypotenuse}

\Rightarrow cosx = \frac{7}{36}

\Rightarrow x = cos^{(-1)} \frac{7}{36}

\Rightarrow x=78.78\°

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